Mark Simithraaratchy Email and Phone Number
Hi there, my name is Mark Simithraaratchy. I'm a ML engineer and leader. With 15+ years melding engineering and data science, I've worked to raise the caliber and impact of decisions. And for 10 of those years, I've led teams on ambitious pursuits -- helping them surpass their goals while providing steady leadership.In my career, I've been guided by a couple of core principles: focus on leverage over trends, and elevate teams to transcend obstacles.Principle 1: Focus on leverage over trends. As an engineer, I'm capable of working on a wide range of challenges in depth. I consciously prioritize problems that are core to the business and have an outsized potential for impact. Technologies or code stacks are simply tools - what truly matters is identifying and tackling the most critical issues. I aim to take a pragmatic, impact-oriented approach that looks past trends to build robust, future-proof solutions. My goal is to solve sticky, high-leverage problems which can actually make a difference.Principle 2: Cultivate High-Performing Ensembles. Big challenges demand the ensemble effect: outstanding individuals contributing diverse perspectives. Seeking collaborators driven by impact, mutual respect, and perpetual growth has enriched my career through high-caliber, diversely experienced partnerships. As a leader, I aim to pay it forward by cultivating empowering environments. Here, folks can show up fully, hone their craft, and push boundaries. My role is to assemble the right talent, provide guidance, resources and support so teams can reach their highest potential together.
Contract
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Machine Learning EngineerContract 2024 - PresentDesigned and deployed a scalable AI/ML cloud solution using GPU-accelerated inference to streamline document processing, achieving 92% accuracy and optimizing inference speed by leveraging GCP, Llama Vision, and PyTorch. -
Machine Learning Systems (Learning Sabbatical)Georgia Institute Of Technology 2022 - 2024Atlanta, Georgia , UsUndertook voluntary applied research sabbatical, completed Computer Science Masters in ML & systems -
Engineering Manager, Business Products EngineeringMeta 2018 - 2022Menlo Park, Ca, UsBuilt, managed, and led a team of 9 analytics engineers & data scientists across North America. I was responsible for technical strategy and roadmap for advanced analytics tooling & infra for Meta Business product focused operations org of ~400 FTE. Cultivated a highly collaborative environment with cross-functional teams, partners, and senior leadership groups.• Built ground-up teams of analytics engineers & data scientists, from 1 to 9. Conducted behavioral interviews and led hiring committee. Eventually took leadership of peer team, leading 9 ICs.• Led ML data quality initiative to develop golden dataset, raising ML tagging accuracy for issue detection by refining data labeling and feature engineering processes.• Developed an ML-driven Product Quality org strategy in partnership with Senior Director of Operations to identify issue prevention opportunity estimated 12%, expected to result in $1Bn of incremental revenue.• Mentored and coached 9 senior analytics engineers & data scientists (including 2 team leads) to achieve 10 promotions.• Led growth and transformation initiatives with a focus on expanding ML-driven projects, resulting in an 89% retention rate across four re-organizations.• Implemented SDLC engineering practices (formalized requirements gathering & design phases) as well as Agile principles. Led analytics engineering, data science, & data engineering teams as Scrum Master.• Developed measurement & optimize strategy for client org’s service agents. Drove 43% of record +11% for stakeholder’s top priority KPI, Resolution.• Design capacity scaling strategy via outsourced contractor model. Raised team capacity by 44% and increased “Work You Enjoy”, a qualitative measure of developer experience.• Designed and led scenario-based analyses, empowering stakeholder leadership to secure +50 FTE and +$115M in OPEX for Contingency and Long Range Planning. -
Decision Science & Engineering ManagerEbay 2017 - 2018San Jose, Ca, UsAs a leader of a team supporting a new advertising product at eBay, I managed a team of 3 data scientists and 2 analytics engineers across multiple global geographies. I owned measurement, attribution, and GTM campaign performance, embedding ML models into engineering practices to align predictive capabilities with product growth objectives.• Enabled YoY revenue growth of 39%, driving $110M in incremental revenue through ML-driven insights and effective marketing measurement strategies for adoption and repeat usage, aligning with Product and Engineering core objectives.• Led team to automate Product impact analysis workflows, refactoring measurement with machine learning & advanced analytics methods.• Built a culture of engineering excellence, automating manual workflows, using SDLC principles and integrating them in Engineering’s release cycles, raising release velocity by 27%. -
Head Of Data & Senior DirectorGeneral Assembly 2015 - 2016New York, Ny, UsAs the Head of Data at General Assembly, I led a team of 3 analytics engineers / data scientists with 2 data engineers through dotted line responsibilities. I was responsible for all machine learning, data science, and analytics functions at the company level.• Led ML-based product development (LTV/CAC optimization, revenue forecasting) to elevate business outcomes• Led requirements authoring for new data infra build to modernize data products. Partnering with Data Engineering in implementation. -
Director Of Data Science & AnalyticsCoach 2014 - 2015New York, Ny, UsAs the Director of Web and Marketing Analytics at Tapestry, I led a team of 3 analysts & 1 manager and was responsible for the analytics function for the Global Digital org at Coach, including insight generation as well as selection, and integration of advanced analytics tooling.• Led reporting infrastructure build, resulting in +48% increase analysis throughput via automation.• Partnered with Product and UX teams on roadmap on site and feature development.• Led strategic sourcing and onboarding of vendors, accelerating the pace and enhancing the quality of insight generation, user experience research, and product development initiatives. -
Data Science ManagerOne Kings Lane 2012 - 2014New York, Ny, UsAs the Analytics Manager at One Kings Lane, I oversaw a team of two analysts and drove insights for for product, marketing, creative operations, and retail. My role encompassed data-driven decision through ML-augmented ad-hoc analysis, A/B testing and descriptive analytics.• Led discovery of revenue cannibalization through A/B test to measure customer behavior, recommending strategic adjustments to C-team which recuperated $15MM potential revenue (annualized).• Engineered a predictive algorithm for Click-Through Rate on lifestyle imagery, enhancing photo selection strategy and boosting top of funnel micro-conversion rates by 16%.• Created and rolled out comprehensive reporting and performance metrics for the Product/Mobile division, leading to web funnel optimization and a 9% improvement in conversion rates. -
Data Science ConsultantSelf Employed 2008 - 2012As an Data Science Consultant in the gaming industry, I founded and scaled a side-business into a gaming data consultancy. I leveraged data engineering to compile a comprehensive player database for trend analysis to increase my clients' profitability. My approach involved empirically validating data-driven strategies, which I also used to market my consultancy services.• Data mined / segmented user information for trend analysis, developed solutions for 20+ global clients, create +125% growth in overall client profitability• Optimized client workload via competitive analysis, resulting in 17% reduction of hourly workload• Utilized modeling, metrics, and back-testing in solution selling approach, growing initial investment of $600 to over six figures
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Senior AnalystJohnson & Johnson 2007 - 2008New Brunswick, Nj, UsAs a Senior Analyst at Johnson & Johnson, I supervised an analyst intern and played a key role within the team that handled service negotiations for the Consumer Products Division. I led projects focused on price optimization via vendor data modeling, managed global Request for Proposals, contract negotiations, and drove process improvement projects as a Six Sigma Green Belt.• Actively managed $84MM of Finance, Marketing, Advertising services creating $3.8MM annualized savings• Lead global graphics project, creating $1.4MM process related savings via price modeling• Co-developed agency commodity strategy focusing on agreement consolidation, pay-for-performance modeling, reconciliation process• Modeled group pricing strategies for negotiations, developed best-in-class Consumer model for renegotiations -
AnalystJohnson & Johnson 2005 - 2007New Brunswick, Nj, Us -
Customer Logistics SpecialistJohnson & Johnson 2005 - 2005New Brunswick, Nj, Us -
Intern (Data Cleansing)Sap Ariba (Fka Freemarkets) 2003 - 2003As an Intern on the Data Cleansing team, I specialized in refining vendor data for optimal use in Freemarkets' core reverse auction product. My expertise in Microsoft VBA and RegEx was pivotal in ensuring data accuracy and usability, significantly contributing to the development of a new Data Cleansing service.
Mark Simithraaratchy Education Details
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Georgia Institute Of TechnologyMachine Learning Specialization -
Georgia Institute Of TechnologyMaster Of Science In Data Science (Analytics & Computational Statistics) -
Penn State UniversityManagement Science And Information Systems
Frequently Asked Questions about Mark Simithraaratchy
What company does Mark Simithraaratchy work for?
Mark Simithraaratchy works for Contract
What is Mark Simithraaratchy's role at the current company?
Mark Simithraaratchy's current role is Machine Learning Engineering Manager | Meta Alum | Scaling AI/ML Teams & Systems | 2x MS (CS & DS).
What schools did Mark Simithraaratchy attend?
Mark Simithraaratchy attended Georgia Institute Of Technology, Georgia Institute Of Technology, Penn State University.
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